Cumulative sum of previous rows
I had an update statement that took 3 minutes to run after this code change it took 6 seconds.
2015-03-27 (first published: 2014-05-08)
34,216 reads
Ben Kubicek
- Interests: Jesus, playing guitar singing, most sports, running, biking, triathlons
2015-02-17
1,949 reads
2015-01-26
12,051 reads
Never give up
When facing a problem you aren't sure you can solve, keep working on it and believe in yourself.
2014-07-08
230 reads
Why Primary Keys can be important on large tables
I inherited a database that was getting large and not performing well. After adding primary keys life got better.
2014-06-30
14,692 reads
2014-06-17
223 reads
Try to focus on the positive
When we focus on negative things we get more negative. Be thankful for something positive.
2014-06-10
171 reads
What is your default database set to?
Some people set their default database to the database they use most often. This can cause issues when a restore fails.
2013-11-14
7,502 reads
2012-12-19
2,243 reads
A simple math expression solver
Ben Kubicek wrote a recursive function that solves simple math expressions in a select statement. Read about this creative use of T-SQL.
2011-11-21
5,916 reads
Blogs
Learn Better: Pause to Review More
By Brian Kelley
If you want to learn better, pause more in your learning to intentionally review.
Azure SQL Managed Instance Next-Gen: Bring on the IOPS
By John
If you’ve used Azure SQL Managed Instance General Purpose, you know the drill: to...
SQL, MDX, DAX – the languages of data
By DataOnWheels
Ramblings of a retired data architect Let me start by saying that I have...
Forums
Two foreign keys to the same table. Can't cascade deletes.
Not sure if this is really a relational theory question but it seems about...
Connecting Power BI to SSAS and effective user not working
Hi everyone, Below is a consolidated summary of what we validated Architecture & data...
High Availability setup - has anyone seen this method?
Hi all, I recently moved to a new employer who have their HA setup...
Question of the Day
Encoding URLs
I have this data in a SQL Server 2025 table:
CREATE TABLE Response ( ResponseID INT NOT NULL CONSTRAINT ResponsePK PRIMARY KEY , ResponseVal VARBINARY(5000) ) GOIf I want to get a value from this table that I can add to a URL in a browser, which of these code items produces a result I can use? See possible answers